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Sick GRTB18-P2412 Photoelectric Sensor
Sick GRTB18-P2412 photoelectric sensor provides background suppression with PNP output, IP67 enclosure, and 150 mm sensing range detection. This Sick Photoelectric Sensor from the GR Series uses visible red PinPoint LED light, operates on 10β30 V DC, supports light/dark switching, and connects via an M12 4-pin male connector.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Product | GRTB18-P2412 |
Sick GRTB18-P2412 Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 18 mm x 18 mm x 73.5 mm |
| Housing design (light emission) | Cylindrical |
| Thread diameter (housing) | M18 x 1 |
| Optical axis | Axial |
| Sensing range max. | 3 mm ... 300 mm |
| Sensing range | 20 mm ... 150 mm |
| Type of light | Visible red light |
| Light source | PinPoint LED |
| Light spot size (distance) | Γ 7 mm (100 mm) |
| Wave length | 650 nm |
| Adjustment | Potentiometer |
| Indication | LED green, LED yellow |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 30 mA |
| Switching Output | PNP |
| Switching mode | Light/dark switching |
| Signal voltage PNP HIGH/LOW | VS - (β€ 3 V) / approx. 0 V |
| Output current Imax. | β€ 100 mA 3) |
| Response time | < 500 Β΅s 4) |
| Switching frequency | 1,000 Hz 5) |
| Connection type | Male connector M12, 4-pin |
| Protection class | III |
| Housing material | Metal, Nickel-plated brass and ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Items supplied | Fastening nuts (2 x) |
| Ambient operating temperature | β25 Β°C ... +55 Β°C 9) |
| Ambient temperature, storage | β40 Β°C ... +70 Β°C |
The Sick GRTB18-P2412 Photoelectric Sensor is a background suppression proximity sensor designed for controlled object detection in industrial automation environments. It features PNP switching output, a defined 20β150 mm sensing range, and visible red PinPoint LED optics for stable detection. This model belongs to the GR Series and is housed in an M18 cylindrical body with IP67 protection, suitable for standard factory conditions.
In conveyors, packaging machines, automated assembly stations, and material handling systems, the Sick GRTB18-P2412 Photoelectric Sensor ensures reliable detection while minimizing background interference. Background suppression enables consistent performance in confined spaces, and the fast response time supports high-speed automation. The metal M18 housing and M12 connector simplify installation and integration into industrial control systems.
The Sick GRTB18-P2412 Photoelectric Sensor combines defined optical behavior, electrical stability, and durable construction for long-term industrial use. Its operating voltage range, enclosure rating, and sensing characteristics support dependable automation workflows. Sick is a globally established sensor manufacturer, and this GR Series photoelectric sensor meets the technical reliability requirements of industrial automation applications.

